Gym King is a UK-based fitness clothing brand. The fashion label sells a selection of workout apparel for both men and women. Look through an assortment of new and preloved designs by this brand below and find some pieces to enhance your exercise regime. Discover Gym King clothing in a variety of cuts and colors, including leggings with different motifs and text. From plain pieces to animal print styles, discover some preowned garments from this label on Depop.